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Experimental Modal Substructuring to Couple and Uncouple Substructures with Flexible Fixtures and Multi-
 

Summary: 1
Experimental Modal Substructuring to Couple and
Uncouple Substructures with Flexible Fixtures and Multi-
point Connections
Matthew S. Allen*
,
Assistant Professor, University of Wisconsin-Madison, Department of Engineering Physics
535 Eng. Research Building, 1500 Engineering Drive, Madison, Wisconsin 53706-1609
Randall L. Mayes &
Distinguished Member of Technical Staff, MS 0557
Sandia National Laboratories, P.O. Box 5800, Albuquerque, New Mexico 87185
Elizabeth J. Bergman
Instructor, Madison Area Technical College
3550 Anderson Street, Madison, Wisconsin 53704
Abstract
Modal substructuring or Component Mode Synthesis (CMS) has been standard practice for
many decades in the analytical realm, yet a number of significant difficulties have been
encountered when attempting to combine experimentally derived modal models with analytical
ones or when predicting the effect of structural modifications using experimental measurements.
This work presents a new method that removes the effects of a flexible fixture from an

  

Source: Allen, Matthew S. - Department of Engineering Physics, University of Wisconsin at Madison

 

Collections: Engineering